The Louisiana Purchase helped to double the size of the country and provided control of the Mississippi River. The Louisiana Purchase was a massive land purchase by the U.S. from France under President Thomas Jefferson's administration.
<span>Two of the major factors were the railroads and the invention of the assembly line. With the finishing of the transcontinental railroad some 30 years earlier, the US had a nation that was linked coast-to-coast and was able to transport goods in a fraction of the time it previously could. With the invention and perfection of assembly line processes, those goods could now be produced in a fraction of the time, as well.</span>
Spherical&Hyperbolic are the 2 most common types of non euclidean geometry